package com.lqh.mapper;

import com.lqh.pojo.Dept;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface DeptMapper {
    @Select("select id, name, create_time, update_time from dept order by update_time desc ")
    public List<Dept> findAll();
    @Delete("delete from dept where id = #{id}")
    public void delete(Integer id);
    @Insert("insert into dept(name, create_time, update_time) values (#{name}, #{createTime},#{updateTime})")
    public void addDept(Dept dept);
    @Update("update dept set name = #{name}, update_time=#{updateTime} where id = #{id}")
    public void update(Dept dept);
    @Select("select name from dept where id = #{id}")
    public Dept getById(Integer id);
    @Select("select count(*) from dept left join emp on dept.id = emp.dept_id where dept_id=#{id}")
    int getCount(Integer id);
}
